A machine part subjected to an axial compressive force is called a strut. A strut may be horizontal, inclined, or even vertical. But a vertical strut is known as a column, pillar, or stanchion. The machine members that must be investigated for column action are piston rods, valve push rods, connecting rods, screw jack, side links of toggle jack, etc. In […]
Mechanical Engineering is the discipline that applies engineering, physics, and materials science principles to design, analyze, manufacture, and maintain mechanical systems. It is one of the oldest and broadest engineering disciplines.
Understanding Mechanical Engineering involves core areas including Mechanics, dynamics, thermodynamics, materials science, structural analysis, and electricity.
In this Edublog, we help you understand the Basic engineering concepts, the engineering principles, definitions, laws, derivations and functionalities of machines in the following subjects with the help of concise articles, tutorials and step-by-step guides prepared by the Senior engineering Experts.
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What is Rankine’s Formula for Columns?
Usually, it is a common phenomenon observed in long columns failure due to buckling load and the short columns usually fail due to crushing load. The Rankine-Gordon formula assumes a combined failure mode which is combined buckling and crushing loads in columns. This common mode is known as the Rankine formula for columns. Hence, we […]
What is Euler’s Column Theory?
A machine part subjected to a vertical axial compressive force is called a column. it is also known as a pillar or stanchion. We see this vertical axial compressive force such as piston rods, valve push rods, connecting rods, screw jack, side links of toggle jack, etc. The first rational attempt, to study the stability of long columns, […]
What is Column? | Failure of a Column
A machine part subjected to an axial compressive force is called a strut. A strut may be horizontal, inclined, or even vertical. But a vertical strut is known as a column, pillar, or stanchion. The machine members that must be investigated for column action are piston rods, valve push rods, connecting rods, screw jack, side links of toggle jack, etc. Let […]
Procedure for Designing Rocker’s Arm for Exhaust Valve
A rocker’s arm is a valvetrain component that typically transfers the motion of a push rod to the corresponding intake/exhaust valve. The rocker’s arm is used to actuate the inlet and exhaust valve motion as directed by the cam and follower. Let us see if we can design Rocker’s Arm for Exhaust Valve for a petrol […]
Find stiffness of the spring in Hartnell Governor
Hartnell Governor is basically a Centrifugal governor with a spring-loaded weight instead of dead weight on the sleeve to increase the speed of the balls required to lift the sleeve on the spindle. The Bell crank Lever holds two dead-weight balls for a Hartnell governor in order to regulate the fuel flow for the engines […]
How to Design a Bell Crank Lever?
The Bell crank lever consists of two arms at right angles. Such types of levers are used in railway signaling, governors of Hartnell type, the drive for the air pump of condensers, etc. Let us design a simple Bell Crank Lever for one of these applications. In the previous articles, we have discussed different Mechanical […]
How to Design a Lever Safety Valve?
A Mechanical Lever is a rigid rod or bar capable of turning about a fixed point called a fulcrum. It is used as a machine to lift a load by the application of a small effort. Lever Safety Valve is used to maintain a constant safe pressure inside the boiler. When the pressure inside the boiler increases the […]
How to design Cranked lever? | Crankshaft
A cranked lever is a hand lever commonly used for operating hoisting winches. Usually, a Mechanical Lever is a rigid rod or bar capable of turning about a fixed point called a fulcrum. It is used as a machine to lift a load by the application of a small effort. Let us discuss more on how we can […]
How to design Foot Lever? | Foot Pump Lever
Have you ever used the foot pump for your car to inflate the tyre? Yes right there you can see the Foot Pump lever that you press with your foot to inflate your tire. That Foot Lever is nothing but a Mechanical Lever. A Mechanical Lever is a rigid rod or bar capable of turning […]
How to design Hand Lever? | Handbrake
A Mechanical Lever is a rigid rod or bar capable of turning about a fixed point called a fulcrum. It is used as a machine to lift a load by the application of a small effort. Let us discuss more on how we can design a Hand Lever for any application with the same mechanical lever […]
How to design a lever for any application?
A Mechanical Lever is a rigid rod or bar capable of turning about a fixed point called a fulcrum. It is used as a machine to lift a load by the application of a small effort. Let us discuss more on how we can design a Lever for any application you have. History of Lever […]
How does Gear Wheel Pump work?
The gear wheel pump is a rotary pump in which two gears mesh to provide the pumping action. This type of pump is mostly used for cooling water and pressure oil to be supplied for lubrication to motors, turbines, machine tools etc. Fluid Systems A fluid system is defined as a device in which power […]
How does Air Lift Pump work?
The Air Lift pump is a device which is used for lifting water from a well or sump by using compressed air. The compressed air is made to mix with the water. The Air Lift pump has no moving parts and relies on the difference in density between the air and water mixture and the […]
Hydraulic Coupling vs Torque Converter
The fluid or hydraulic coupling is a device used for transmitting power from the driving shaft to the driven shaft with the help of a fluid (generally oil). Whereas the hydraulic torque converter is a device used for transmitting increased torque at the driven shaft. There is no need for a mechanical connection between the […]
How does a Hydraulic Crane work?
A Hydraulic crane is a heavy-duty equipment used for raising or transferring heavy loads. It is widely used in workshops, warehouses and dock sidings. Let us discuss how a Hydraulic Crane works. Fluid Systems A fluid system is defined as a device in which power is transmitted with the help of a fluid which may […]
What is a Hydraulic Lift?
A hydraulic lift is a device that lifts things by applying force to a liquid inside a cylinder, which drives a piston higher. This Hydraulic Lift is used for carrying passengers or goods from one floor to another in a multi-storeyed building. Fluid Systems A fluid system is defined as a device in which power […]
What is a Hydraulic Ram?
The hydraulic ram is a pump which raises water without any external power for its operation. The hydraulic ram works on the principle of the water hammer. In this article, let us discuss the construction and the working principle of the Hydraulic Ram (Water Hammer). Fluid Systems A fluid system is defined as a device […]
What is a Hydraulic Intensifier?
The Hydraulic Intensifier is used to increase the intensity of pressure of water by means of hydraulic energy available from a large amount of water at low pressure for the hydraulic press. Let us discuss the construction and working principle of the Hydraulic Intensifier. Fluid Systems A fluid system is defined as a device in […]
What is a Hydraulic Accumulator used for?
The hydraulic accumulator is a device used for storing the energy of a liquid in the form of pressure energy, which may be supplied for any sudden or intermittent requirement. In the case of a hydraulic lift or hydraulic crane, a large amount of energy is required when the lift or crane is moving upward. […]
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